#include <bits/stdc++.h>
using namespace std;
int a[100005];
int main()
{
	freopen("duel.in","r",stdin);
	freopen("duel.out","w",stdout);
	int n;
	cin>>n;
	for (int i=1;i<=n;i++)
	{
		cin>>a[i];
	}
	sort(a+1,a+n+1);
	int z=1,ans=n;
	for (int i=2;i<=n;i++)
	{
		if (a[i]>a[z]) 
		{
			ans--;
			z++;
		}
	}
	cout<<ans<<endl;
	return 0;
}
